2023. Effect of potassium, trace elements and cultivar on some physiological traits and sugars at the khalal stage of fruits of date palm (phoenix dactylifera L.) grown in Thi-Qar governorate . University of Thi-Qar Journal of agricultural research. 12, 1 (Jun. 2023), 112–129. DOI:https://doi.org/10.54174/utjagr.v12i1.243.